(218570) Jonvandegriff Main-belt Asteroid
Discovered on 10 April 2005 by M. W. Buie at Kitt Peak.
Jon D. Vandegriff (b. 1969) is an American senior software engineer at the Johns Hopkins University Applied Physics Laboratory. He developed software tools for planning and analysis of PEPSSI charged particle spectrometer measurements for the NASA New Horizons mission to Pluto and the Kuiper Belt.Naming citation (WGSBN Bull. 4, #4, 12), IAU / Minor Planet Center, via NASA/JPL
Where Jonvandegriff is today
Seen from above the solar system on 2026-10-14: Jonvandegriff is 2.54 au from the Sun and 3.47 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 218570 |
| Provisional designation | 2005 GO204 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.85 |
| Orbital period | 3.65 years |
| Semi-major axis | 2.37 au |
| Perihelion – aphelion | 1.85 – 2.89 au |
| Eccentricity | 0.220 |
| Inclination | 1.63° |
| Closest distance between its orbit and Earth's (MOID) | 0.832 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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